(expr_str: str)
| 252 | |
| 253 | |
| 254 | def _render_fresh(expr_str: str) -> bytes | None: |
| 255 | if not LATEX_AVAILABLE or not _ensure_slicap(): |
| 256 | return None |
| 257 | if _is_placeholder(expr_str): |
| 258 | return None # unset "?" reminder — not an expression |
| 259 | try: |
| 260 | sympy_obj = _slicap_check(expr_str) |
| 261 | if sympy_obj is None: |
| 262 | return None |
| 263 | latex_str = _slicap_latex(sympy_obj) |
| 264 | if not latex_str: |
| 265 | return None |
| 266 | except Exception: |
| 267 | return None |
| 268 | return _latex_to_svg(latex_str) |
| 269 | |
| 270 | |
| 271 | def _render_latex_str(latex_str: str) -> bytes | None: |
no test coverage detected